前言特拉华河下游为一港湾区,并为美国陆军工程公司(USCE)疏浚以保持可航性.疏浚作业使大范围的地下水排入并改变地下水流向,造成河流补给地下水系统. 主要担心的问题是河底淤泥和粘土层在航道变深时是否会消除.此外,还可产生海湾水与当地含水层系间的直接联系.如果出现此种情况,那么,接受海湾补给 Foreword The lower Delaware River is a harbor area and is dredged for U.S. Army Engineering Corporation (USCE) to maintain its navigability. Dredging operations allow a large area of ​​groundwater to drain and alter groundwater flow, resulting in river recharge of groundwater systems. The question is whether the silt and clay in the river bottom will be eliminated when the course is deepened, and in addition, a direct link between the Gulf and local aquifers may arise, and if so, to accept Gulf supplies